2 files changed, 52 insertions, 4 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 07779fa00..feff22400 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -426,7 +426,34 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_since(query, _), do: query
 
-  defp restrict_tag(query, %{"tag" => tag}) do
+  defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
+       when is_list(tag_reject) and tag_reject != [] do
+    from(
+      activity in query,
+      where: fragment("(not (? #> '{\"object\",\"tag\"}') \\?| ?)", activity.data, ^tag_reject)
+    )
+  end
+
+  defp restrict_tag_reject(query, _), do: query
+
+  defp restrict_tag_all(query, %{"tag_all" => tag_all})
+       when is_list(tag_all) and tag_all != [] do
+    from(
+      activity in query,
+      where: fragment("(? #> '{\"object\",\"tag\"}') \\?& ?", activity.data, ^tag_all)
+    )
+  end
+
+  defp restrict_tag_all(query, _), do: query
+
+  defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
+    from(
+      activity in query,
+      where: fragment("(? #> '{\"object\",\"tag\"}') \\?| ?", activity.data, ^tag)
+    )
+  end
+
+  defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
     from(
       activity in query,
       where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
@@ -575,6 +602,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     base_query
     |> restrict_recipients(recipients, opts["user"])
     |> restrict_tag(opts)
+    |> restrict_tag_reject(opts)
+    |> restrict_tag_all(opts)
     |> restrict_since(opts)
     |> restrict_local(opts)
     |> restrict_limit(opts)
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index a60532b55..a366a149f 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -541,15 +541,34 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
     local_only = params["local"] in [true, "True", "true", "1"]
 
-    params =
+    tags =
+      [params["tag"], params["any"]]
+      |> List.flatten()
+      |> Enum.uniq()
+      |> Enum.filter(& &1)
+      |> Enum.map(&String.downcase(&1))
+
+    tag_all =
+      params["all"] ||
+        []
+        |> Enum.map(&String.downcase(&1))
+
+    tag_reject =
+      params["none"] ||
+        []
+        |> Enum.map(&String.downcase(&1))
+
+    query_params =
       params
       |> Map.put("type", "Create")
       |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
-      |> Map.put("tag", String.downcase(params["tag"]))
+      |> Map.put("tag", tags)
+      |> Map.put("tag_all", tag_all)
+      |> Map.put("tag_reject", tag_reject)
 
     activities =
-      ActivityPub.fetch_public_activities(params)
+      ActivityPub.fetch_public_activities(query_params)
       |> Enum.reverse()
 
     conn